1 Feline stomatitis is a severe, painful inflammation of a catâs mouth and gums. 2  Dental disease, certain viruses, and some other inflammatory conditions can cause feline stomatitis.  The long-term outcome can vary. Many cats require long-term treatment to control the condition.
Vaccine Adverse Event Reporting System. The Vaccine Adverse Event Reporting System (VAERS) is a United States program for vaccine safety, co-managed by the U.S. Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA).
What should I do? 1  If you think it is a severe allergic reaction or other emergency that canât wait, call 9-1-1 and get the person to the nearest hospital. 2  Afterward, the reaction should be reported to the Vaccine Adverse Event Reporting System (VAERS). Afterward, the reaction should be reported to the Vaccine Adverse Event Reporting System (VAERS). 2  Your doctor might file this report, or you can do it yourself through the VAERS website, or by calling 1-800-822-7967.